R is an open-source programming language and environment with powerful and extensive features for data analysis, data visualization, and statistical computing. Although R first appeared in the 1990s, ...

Systematic, well-designed, and implementable research is the most effective way to solve many problems facing state department of transportation (DOT) administrators and engineers. Often, highway ...

Traffic simulation modeling is one tool used by many state departments of transportation (DOTs) to improve the operations of their transportation systems. Operational traffic simulation models can be ...